tcpdump是什么

tcpdump是一种在Linux下使用的抓包工具，它可以截获网络中传送的数据包并提供分析。tcpdump支持对网络层、协议层、主机、网络或端口的过滤，可以使用逻辑操作符（例如and、or、not）来过滤掉无用的信息。它可以通过命令行参数来设置抓包条件，并可以将抓到的数据包保存到文件中供后续分析。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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- *1* *3* [网络：tcpdump](https://blog.csdn.net/zhizhengguan/article/details/109161449)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
- *2* [tcpdump工具](https://blog.csdn.net/LF_2016/article/details/61198283)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
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